# RingMeter vs Ring Sizer & Ruler

The clearest difference is update cadence: RingMeter at every 10 days against Ring Sizer & Ruler's every 2 months. Ring Sizer & Ruler's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RingMeter sells 4 in-app purchases, starting at $1.99 per 7 days and Ring Sizer & Ruler sells 4 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

RingMeter ships an update every 10 days, Ring Sizer & Ruler every 2 months. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | RingMeter | Ring Sizer & Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 2 MB | 46 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZHENGQIAO JIANG](https://appshunter.io/developer/1892168889) | [VAST FLOW, TOO](https://appshunter.io/developer/1754861329) |

## What reviewers say

### RingMeter

[App page](https://appshunter.io/ios/app/ringmeter-ring-size-finder/id6767339352)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $79.99 | one-time |


### Ring Sizer & Ruler

[App page](https://appshunter.io/ios/app/ring-sizer-and-ruler-mesurix/id6776475871)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly \| Mesurix Pro | $9.99 | per 7 days |
| Yearly \| Mesurix Pro | $39.99 | per year |
| Lifetime Access | $14.99 | one-time |
| Mesurix Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is RingMeter free?

RingMeter is free to download, with in-app purchases available.

### Is Ring Sizer & Ruler free?

Ring Sizer & Ruler is free to download, with in-app purchases available.

### Do RingMeter or Ring Sizer & Ruler have ads?

Neither RingMeter nor Ring Sizer & Ruler shows ads.

### Which is updated more often, RingMeter or Ring Sizer & Ruler?

RingMeter ships an update every 10 days, and Ring Sizer & Ruler every 2 months. Most recently, RingMeter was updated on September 11, 2026 and Ring Sizer & Ruler on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*